| 单词 | palpitation | ||||||
| 释义 | palpitationpal·pi·ta·tionP0032900 (păl′pĭ-tā′shən)pal•pi•ta•tion(ˌpæl pɪˈteɪ ʃən)n. palpitation2. a trembling of the body, as from fear or anxiety.
palpitationnounpalpitationpalpitation(păl'pĭtā`shən), abnormal heartbeat that is often associated with a sensation of fluttering or thumping. The normal heartbeat is not noticeable to the individual. Palpitation may be a symptom of organic heart disease or of other body disorders such as an overactive thyroid gland or anemia. In healthy persons palpitation can be brought on by undue exertion, shock, excitement, or stimulants.Palpitationa heart action that produces a disagreeable awareness in those suffering from various diseases, including diseases of the cardiovascular, nervous, and endocrine systems, as well as in healthy individuals under considerable physical and emotional strain. Palpitation is primarily associated with an increase in the number of heart contractions per minute, for example, with overstrain or paroxysmal tachycardia. It is also associated with rhythmic disorders of contractility, including extrasystole and atrial fibrillation. Therapeutic measures and preventive treatment are determined by the causes of palpitation. palpitationpalpitation[pal″pĭ-ta´shun]Palpitations may be caused by organic heart disease, but they also can result from other factors. Similarly, emotional pressures rather than organic changes may cause the so-called “nervous heart,” or functional heart disease. pal·pi·ta·tion(pal'pi-tā'shŭn), Do not confuse this word with palpation. Avoid the colloquial and jargonistic use of the plural of this abstract noun in the sense of 'strong or irregular heartbeats'.palpitation(păl′pĭ-tā′shən)palpitationCardiology A generally unpleasant subjective sensation of strong and/or irregular heart pulsations, often accompanying ↑ physical exertion Sx & clinical correlates Flip-flopping sensation, the heart seems to stop, then start with pounding–s/o premature atrial or ventricular contractions; fluttering sensation–s/o atrial or ventricular arrhythmias; pounding in neck–s/o AV dissociation–atria are contracting against closed tricuspid or mitral valves, as in reentrant supraventicular arrhythmias, especially AV nodal tachycardia or ventricular premature depolarization, producing cannon A waves in jugular veins with neck pulsations which, if prominent, cause a bulging–'frog sign' Etiology Anxiety, panic disorders, catecholamine excess–eg, in cool-down period after exercise, postural changes–eg, standing abruptly after recumbent position–causing syncope/near syncope Diagnosis Hix, physical exam, 12-lead EKG, Holter monitor Management Reassurance, beta-blockers, CCBs, radio-frequency ablation, modification of sinus node.pal·pi·ta·tion(pal'pi-tā'shŭn)Synonym(s): trepidatio cordis. palpitationAbnormal awareness of the action of the heart, because of rapidity or irregularity. Irregularity is most commonly due to EXTRASYSTOLES each of which causes a brief sense of stoppage. Other causes include ATRIAL TACHYCARDIA and ATRIAL FIBRILLATION.Palpitationpal·pi·ta·tion(pal'pi-tā'shŭn)Synonym(s): trepidatio cordis. palpitation
Synonyms for palpitation
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palpitation - a shaky motion; "the shaking of his fingers as he lit his pipe"